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CHLOROTHYMOL

CAS 89-68-9
42

Safety score · 0–100

Moderate

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

Chlorothymol is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

Chlorothymol (6-chloro-4-thymol) is a chlorinated phenolic compound used for its antiseptic and preservative properties in cosmetic formulations. EU CosIng indicates restrictions under Annex III for chlorophenols due to their sensitisation potential and environmental persistence. The SCCP (Scientific Committee on Consumer Products) has expressed concerns regarding the allergenic potential of chlorothymol. Chlorinated phenols are generally restricted in leave-on cosmetic products in the EU.

Skin benefits

  • Antiseptic preservative extending product shelf life
  • Used in oral care and acne-related formulations

Known concerns

  • Skin sensitiser potential
  • Environmental hazard (H400/H410)
  • Phenolic compounds under EU restriction
  • Limited safety data for cosmetic use

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.